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This tourmaline is from the Congo & was part of a parcel of rough tourmaline ethically sourced through our block supply chain & was hand cut by Alan Poultney.


The tourmaline: Invent No: APD302E 0005


Estimated weights colours & clarities

Estimated weight: 4.08cts

Cut: Trilliant modified criss-cross cut

Estimated Colour: transparent green Colour

Distribution: even

Hue: medium

Tone: medium

Estimated Clarity: LI (Lightly Included)

Girdle: ground not polished

Brilliance: 85%

Dimensions: 11.87mm x 9.87mm x 6.47mm

(Length x width x depth)

Refractive Indices: 1.610 - 1.698

Specific Gravity: 2.82-3.90

Hardness: 7 - 7.5 Orign: Congo Africa

Treatment: No eveidence of heat treatment.

Tourmaline 4.08ct Green Trilliant Modified Criss-Cross


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